Heat oven to 375 degrees.
Combine the peanut butter, crisco, brown sugar, milk, and vanilla in a large bowl.
Beat the ingredients at medium speed of electric mixer until well blended.
Add egg. Beat just until bended.
Combine flour, salt, and baking soda.
Add creamed mixture at low speed.
Mix just until blended.
Drop by heaping teaspoonfuls 2 inches apart onto an un-greased baking sheet.
Flatted slightly in criss-cross pattern with tines of fork.
Bake at 375 degrees for 7 to 8 minutes or until set and just beginning to brown.
Cool 2 minutes on baking sheet.
Remove cookies from foil to cool completely.